diff options
Diffstat (limited to 'contrib/libc++/src/chrono.cpp')
| -rw-r--r-- | contrib/libc++/src/chrono.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/contrib/libc++/src/chrono.cpp b/contrib/libc++/src/chrono.cpp index 15a6f46..4569411 100644 --- a/contrib/libc++/src/chrono.cpp +++ b/contrib/libc++/src/chrono.cpp @@ -46,6 +46,7 @@ system_clock::from_time_t(time_t t) _NOEXCEPT return system_clock::time_point(seconds(t)); } +#ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK // steady_clock const bool steady_clock::is_steady; @@ -108,10 +109,8 @@ steady_clock::now() _NOEXCEPT } #else // __APPLE__ -// FIXME: We assume that clock_gettime(CLOCK_MONOTONIC) works on -// non-apple systems. Instead, we should check _POSIX_TIMERS and -// _POSIX_MONOTONIC_CLOCK and fall back to something else if those -// don't exist. +// FIXME: if _LIBCPP_HAS_NO_MONOTONIC_CLOCK, then clock_gettime isn't going to +// work. It may be possible to fall back on something else, depending on the system. // Warning: If this is not truly steady, then it is non-conforming. It is // better for it to not exist and have the rest of libc++ use system_clock @@ -127,6 +126,8 @@ steady_clock::now() _NOEXCEPT } #endif // __APPLE__ +#endif // !_LIBCPP_HAS_NO_MONOTONIC_CLOCK + } _LIBCPP_END_NAMESPACE_STD |
